# NTSB investigations: Franklin 6V4 series: Loss of engine power

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

## Latest cases

- [NTSB LAX05LA022](https://openairdocs.org/ntsb/LAX05LA022.md): Bell 47D1 · San Martin, CA · Accident · No injuries · Limited investigation · Final report · Oct 31, 2004 · N903B · Substantial damage
  > A loss of power for undetermined reasons.
- [NTSB ATL99LA108](https://openairdocs.org/ntsb/ATL99LA108.md): Hiller UH12-C · Venice, FL · Accident · No injuries · Limited investigation · Final report · Jul 16, 1999 · N5317V · Substantial damage
  > Loss of engine power due to fuel starvation as a result of the passenger inadvertently shutting off the fuel supply.
- [NTSB MIA90LA111](https://openairdocs.org/ntsb/MIA90LA111.md): Hiller UH-12B · Sanford, FL · Accident · No injuries · Limited investigation · Final report · Apr 26, 1990 · N5306V · Substantial damage
  > Loss of engine power for an unknown reason.
- [NTSB MIA88LA212](https://openairdocs.org/ntsb/MIA88LA212.md): Bell 47D1 · Ruleville, MS · Accident · No injuries · Limited investigation · Final report · Jul 4, 1988 · N903B · Substantial damage
  > During an aerial application flt while spraying chemicals the plt reported that the engine quit. The pilot attempted an autorotation but was too low and slow to complete it. The aircraft landed hard in the field of crops and nosed over. Examination of the…

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1
WHERE c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('27033')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 350))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=27033&occurrence=350

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OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.